An "Arsenal" factory design, this weapon was originally designated ZIF-91 and was ready for trials in 1973. This is a recoil-operated automatic weapon using a water-cooled barrel. It uses an optronic analog control system called "Lev-114" and the gun sight is called "Kondensor-214A".

The entire weapon system is designated AK-100, while the gun itself is designated A-214.

Gun Characteristics

Designation 100 mm/70 (3.9") A-214
Ship Class Used On Kirov (Admiral Ushakov), Udaloy, Bditelny and Neusrashimy Classes
Date Of Design 1967
Date In Service 1978
Gun Weight N/A
Gun Length oa 275.6 in (7.000 m)
Bore Length N/A
Rifling Length 232.28 (5.900 m)
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 50 - 60 rounds per minute


Type Fixed
Weight of Complete Round 59.1 lbs. (26.8 kg) for all rounds
Projectile Types and Weights FRAG (OF-58): 34.4 lbs. (15.6 kg)
AA (ZS-58 and ZS-58P) 1 : 34.4 lbs. (15.6 kg)
Bursting Charge All: 3.37 lbs. (1.53 kg)
Projectile Length FRAG (OF-58): 40.39 in (1.026 m)
AA (ZS-58): 40.79 in (1.036 m)
AA (ZS-58P): 40.67 in (1.033 m)
Propellant Charge N/A
Muzzle Velocity All: 2,887 fps (880 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun Neusrashimy: 350 rounds
Others: N/A
  1. ^ZS-58 round uses a mechanical time fuze while the ZS-58P uses a radio proximity fuze.


Range with 34 lbs. (15.6 kg) FRAG (OF-58)
Elevation Distance
Max Ballistic Range 22,970 yards (21,000 m)
Range with 34 lbs. (15.6 kg) AA (ZS-58P)
Elevation Distance
Max Range Against ASuW Missiles 5,470 yards (5,000 m)
Max Range Against Aircraft 10,940 yards (10,000 m)

Mount/Turret Data

Designation Single Automatic Turreted Mount AK-100
Weight 34.94 tons (35.5 mt)
Elevation -10 / +85 degrees
Rate of Elevation 30 degrees per second
Train 360 degrees
Rate of Train 35 degrees per second
Gun Recoil 20 in (51 cm)

Additional Pictures


Data from:

  • "Jane's Ammunition Handbook: Ninth Edition 2000-2001" edited by Terry J. Gander and Charles Q. Cutshaw
  • "Entsiklopedia Otechestvennoi Artillerii" (Encyclopedia of Fatherland (Russian) Artillery) by A.V. Shirokorad
  • "Slava, Udaloy and Sovremenniy" by Steven J. Zaloga

Special help from Vladimir Yakubov